ClassID:

173848

G02B6/02304 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding; Microstructured optical fibre having different index layers arranged around the core for guiding light by reflection, i.e. 1D crystal, e.g. omniguide Core having lower refractive index than cladding, e.g. air filled, hollow core

Recent Application in this class:
#1
20260110846
2026-04-23

LC CONNECTOR FOR HOLLOW-CORE OPTICAL FIBERS

#2
20260036738
2026-02-05

HOLLOW-CORE OPTICAL FIBERS, FIBER OPTIC CABLE ASSEMBLIES WITH SAME, AND METHODS OF MAKING SAME

#3
20260029571
2026-01-29

SINGLE-MODE, HOLLOW-CORE OPTICAL FIBERS

#4
20260023210
2026-01-22

HOLLOW-CORE FIBER ARRAY UNIT WITH INTEGRATED SOLID CORE WAVEGUIDE INTERFACE

#5
20250110302
2025-04-03

HIGH POWER LINE SYSTEM FOR HOLLOW CORE FIBER AND USES THEREOF

#6
20250012968
2025-01-09

ORGANICALLY MODIFIED CHALCOGENIDE POLYMER PREFORMS AND FIBERS

#7
20240402416
2024-12-05

HOLLOW CORE FIBER WITH PASSIVATION PROTECTED ENDS

#8
20240353621
2024-10-24

LOW LOSS AND HIGH RETURN LOSS COUPLING BETWEEN SOLID-CORE FIBER AND HOLLOW-CORE FIBER

#9
20240264363
2024-08-08

Ultra-Wideband Low Latency Multicore to Multicore Free-Space Optical Communications Using Parabolic Mirrors

#10
20240061169
2024-02-22

Hollow core fiber for secure optical communication

#11
20240019630
2024-01-18

HOLLOW-CORE MICROSTRUCTURE OPTICAL FIBER PREFORM, OPTICAL FIBER AND METHOD FOR MANUFACTURING THEREOF

#12
20230333314
2023-10-19

HOLLOW-CORE FIBER BASED BROADBAND RADIATION GENERATOR WITH EXTENDED FIBER LIFETIME

#13
20230324613
2023-10-12

TERMINATED HOLLOW-CORE FIBER WITH SUSPENDED FIBER-END

#14
20230131148
2023-04-27

Hollow core fiber for secure optical communication

#15
20230089816
2023-03-23

MICROLAYER COEXTRUSION OF OPTICAL END PRODUCTS

#16
20220365272
2022-11-17

Terahertz hollow core waveguide

#17
20220242773
2022-08-04

METHODS FOR PRODUCING A HOLLOW-CORE FIBER AND FOR PRODUCING A PREFORM FOR A HOLLOW-CORE FIBER

#18
20220196914
2022-06-23

WAVEGUIDE WITH SELF-ALIGNED MIRROR IN PACKAGE FOR LONG RANGE CHIP-TO-CHIP COMMUNICATIONS

#19
20220196907
2022-06-23

Antiresonant hollow core fibre, preform therefor and method of fabrication

#20
20220073407
2022-03-10

HOLLOW CORE OPTICAL FIBER WITH CONTROLLED DIAMETER HOLLOW REGIONS AND APPARATUS FOR MAKING THE SAME

#21
20220057569
2022-02-24

Anti-torsion solid-core polarization-maintaining photonic crystal fiber based on anisotropy of stress distribution

#22
20220011500
2022-01-13

HOLLOW-CORE FIBER BASED BROADBAND RADIATION GENERATOR WITH EXTENDED FIBER LIFETIME

#23
20210382227
2021-12-09

Polarization-maintaining hollow-core antiresonant fiber

#24
20210356656
2021-11-18

Hollow-core photonic crystal fiber and method of manufacturing thereof

#25
20210194203
2021-06-24

Hollow core fiber laser system, apparatus, and method

#26
20210109280
2021-04-15

Devices, systems, and methods for temporal compression or stretching of optical pulses

#27
20210096296
2021-04-01

Microlayer coextrusion of optical end products

#28
20200378864
2020-12-03

Monitorable hollow core optical fiber

#29
20200319400
2020-10-08

Optical fiber

#30
20200166699
2020-05-28

Hollow-core photonic crystal fiber and method of manufacturing thereof

#31
20200142126
2020-05-07

Microlayer coextrusion of optical end products

#32
20200024178
2020-01-23

Hollow core optical fiber with controlled diameter hollow regions and method of making the same

#33
20190296416
2019-09-26

Electromagnetic wave transmission cable including a hollow dielectric tube surrounded by a foamed resin member having different expansion ratios at different regions therein

#34
20190235162
2019-08-01

Low-latency, hollow-core optical fiber with total internal reflection mode confinement

#35
20190227226
2019-07-25

Hollow core optical fiber with light guiding within a hollow region based on transverse anderson localization of light

#36
20190227224
2019-07-25

Band-gap tunable elastic optical multilayer fibers

#37
20190170933
2019-06-06

Preform for producing vortex fiber

#38
20190170579
2019-06-06

MICRO-SCALE WAVEGUIDE SPECTROSCOPE

#39
20180370167
2018-12-27

Multiple microlayer coextrusion of optical end products

#40
20170328832
2017-11-16

Distributed gas detection system and method

#41
20170266897
2017-09-21

Microlayer coextrusion of optical end products

#42
20170176489
2017-06-22

Methods and systems for detecting gas flow by photoacoustic signal generation

#43
20160334570
2016-11-17

Transport of polarized laser-radiation using a hollow-core fiber

#44
20160094008
2016-03-31

Optical scanning and imaging systems based on dual pulsed laser systems

#45
20150362669
2015-12-17

Band-gap tunable elastic optical multilayer fibers

#46
20150316717
2015-11-05

Contact focusing hollow-core fiber microprobes

#47
20150277033
2015-10-01

Optical fiber with a low-index core and a core grating

#48
20150093085
2015-04-02

Low-latency, hollow-core optical fiber with total internal reflection mode confinement

#49
20140219298
2014-08-07

Optical scanning and imaging systems based on dual pulsed laser systems

#50
20130064515
2013-03-14

Two-part surgical waveguide

#51
20130058611
2013-03-07

Photonic crystal optical waveguide solar spectrum splitter

#52
20120321262
2012-12-20

PHOTONIC CRYSTAL FIBERS HAVING A PREFERRED BENDING PLANE AND SYSTEMS THAT USE SUCH FIBERS

#53
20120145902
2012-06-14

Optical scanning and imaging systems based on dual pulsed laser systems

#54
20120091369
2012-04-19

Focusing multimodal optical microprobe devices

#55
20120082410
2012-04-05

Hybrid waveguide device in powerful laser systems

#56
20120081694
2012-04-05

OPTICAL SCANNING AND IMAGING SYSTEMS BASED ON DUAL PULSED LASER SYSTEMS

#57
20110273712
2011-11-10

Apparatus and methods using hollow-core fiber tapers

#58
20110251603
2011-10-13

Photonic crystal fibers and medical systems including photonic crystal fibers

#59
20110020008
2011-01-27

Photonic bandgap fibers

#60
20100316088
2010-12-16

Thermal sensing fiber devices

#61
20100296093
2010-11-25

Apparatus and methods using hollow-core fiber tapers

#62
20100225897
2010-09-09

Optical scanning and imaging systems based on dual pulsed laser systems

#63
20100202734
2010-08-12

Tapered waveguide coupler and spectrometer

#64
20100021115
2010-01-28

Optical device using a hollow-core photonic-bandgap fiber

#65
20090310926
2009-12-17

Zero Index Material Omnireflectors and Waveguides

#66
20090207867
2009-08-20

Surface-emitting fiber laser

#67
20090169158
2009-07-02

Thermal sensing fiber devices

#68
20090122308
2009-05-14

Photonic bandgap fibers

#69
20090097809
2009-04-16

Ferroelectric all-polymer hollow bragg fibers for terahertz guidance

#70
20090097805
2009-04-16

Thermal sensing fiber devices

#71
20090067775
2009-03-12

Fiber optic chemical sensor

#72
20090052829
2009-02-26

Optical device using a hollow-core photonic bandgap fiber

#73
20090034927
2009-02-05

Photonic crystal fibers and medical systems including photonic crystal fibers

#74
20080159346
2008-07-03

Bragg fibers in systems for the generation of high peak power light

#75
20080141724
2008-06-19

Dielectric waveguide and method of making the same

#76
20080124895
2008-05-29

WAFER BONDING METHOD

#77
20080087047
2008-04-17

Optoelectronic fiber codrawn from conducting, semiconducting, and insulating materials

#78
20080050078
2008-02-28

Apparatus and methods using hollow-core fiber tapers

#79
20080050076
2008-02-28

Low loss photonic waveguide having high index contrast glass layers

#80
20070274623
2007-11-29

Polarization controller using a hollow-core photonic-bandgap fiber

#81
20070263971
2007-11-15

Optical fibers with improved resistance to ingressing molecules

#82
20070237478
2007-10-11

Zero index material omnireflectors and waveguides

#83
20070217752
2007-09-20

Photonic crystal surface states

#84
20070217743
2007-09-20

Photonic crystal surface states

#85
20070163301
2007-07-19

Photonic bandgap fibers

#86
20070147752
2007-06-28

Photonic crystal fibers and systems using photonic crystal fibers

#87
20070122096
2007-05-31

Photonic crystal fibers and medical systems including photonic crystal fibers

#88
20070053640
2007-03-08

Photonic crystal fibers having a preferred bending plane and systems that use such fibers

#89
20060263023
2006-11-23

Method, and article of the method, for fabricating a flexible, hollow waveguide

#90
20060210275
2006-09-21

High-order Bragg fiber dispersion correction

#91
20060201206
2006-09-14

Methods of making fiber waveguides from multilayer structures

#92
20060193583
2006-08-31

Photonic bandgap fibers

#93
20060188206
2006-08-24

Optical fibers with improved resistance to ingressing molecules

#94
20060126679
2006-06-15

Bragg fibers in systems for the generation of high peak power light

#95
20050271340
2005-12-08

Photonic crystal waveguides and systems using such waveguides

#96
20050259944
2005-11-24

Fiber waveguide formed from chalcogenide glass and polymer

#97
20050259942
2005-11-24

Photonic crystal fibers and medical systems including photonic crystal fibers

#98
20050259934
2005-11-24

Photonic crystal fibers and medical systems including photonic crystal fibers

#99
20050259933
2005-11-24

Photonic crystal fibers and medical systems including photonic crystal fibers

#100
20050232560
2005-10-20

METHOD AND APPARATUS RELATING TO OPTICAL FIBRE WAVEGUIDES

#101
20050226579
2005-10-13

Photonic crystal waveguides and systems using such waveguides

#102
20050063633
2005-03-24

Optical waveguide monitoring

#103
20050053345
2005-03-10

Optoelectronic fiber codrawn from conducting, semiconducting, and insulating materials

#104
20050031262
2005-02-10

Fresnel zoned microstructured fibre and lens

#105
18842284
2025-04-08

Capillary array and preparation method and application therefor

#106
16144294
2019-07-09

Fiber coupling with a photonic waveguide formed from core material with tuned index of refraction